Triple

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Phrase: YF-12C | Statement: [SR-71 Blackbird, NASADesignation, YF-12C]

Target entity: YF-12C
Context triple: [SR-71 Blackbird, NASADesignation, YF-12C]

• A. YF-23 Black Widow II
  The YF-23 Black Widow II was an experimental stealth fighter prototype developed by Northrop/McDonnell Douglas for the U.S. Air Force’s Advanced Tactical Fighter program, competing against what became the F-22 Raptor.
• B. Rockwell-MBB X-31
  The Rockwell-MBB X-31 was an experimental jet fighter demonstrator designed to test advanced thrust vectoring and high-angle-of-attack maneuverability technologies.
• C. Northrop YF-17
  The Northrop YF-17 was a lightweight prototype fighter aircraft developed in the 1970s that served as the design basis for the later F/A-18 Hornet.
• D. Lockheed U-2
  The Lockheed U-2 is a high-altitude American reconnaissance aircraft designed for intelligence gathering missions, particularly during the Cold War.
• E. McDonnell F-101 Voodoo
  The McDonnell F-101 Voodoo is a supersonic jet fighter and reconnaissance aircraft developed for the United States Air Force during the Cold War.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: YF-12C
Triple: [SR-71 Blackbird, NASADesignation, YF-12C]

The YF-12C was a cover designation used by NASA for a modified Lockheed A-12 reconnaissance aircraft, related to the SR-71 Blackbird program, during high-speed, high-altitude research flights.

Target entity: YF-12C
Target entity description: The YF-12C was a cover designation used by NASA for a modified Lockheed A-12 reconnaissance aircraft, related to the SR-71 Blackbird program, during high-speed, high-altitude research flights.

• A. YF-23 Black Widow II
  The YF-23 Black Widow II was an experimental stealth fighter prototype developed by Northrop/McDonnell Douglas for the U.S. Air Force’s Advanced Tactical Fighter program, competing against what became the F-22 Raptor.
• B. Rockwell-MBB X-31
  The Rockwell-MBB X-31 was an experimental jet fighter demonstrator designed to test advanced thrust vectoring and high-angle-of-attack maneuverability technologies.
• C. Northrop YF-17
  The Northrop YF-17 was a lightweight prototype fighter aircraft developed in the 1970s that served as the design basis for the later F/A-18 Hornet.
• D. Lockheed U-2
  The Lockheed U-2 is a high-altitude American reconnaissance aircraft designed for intelligence gathering missions, particularly during the Cold War.
• E. McDonnell F-101 Voodoo
  The McDonnell F-101 Voodoo is a supersonic jet fighter and reconnaissance aircraft developed for the United States Air Force during the Cold War.
• F. None of above. chosen

Target predicate: NASADesignation
Context triple: [SR-71 Blackbird, NASADesignation, YF-12C]

• A. NATODesignation
  Indicates that one entity is the official name or code assigned to another entity by NATO for identification or classification purposes.
• B. nationalDesignation
  Indicates that an entity has been formally assigned a specific status, title, or classification by a nation or national authority.
• C. missionDesignationPrefix
  Indicates the standardized prefix string used to label or identify a mission within a naming or designation system.
• D. internationalDesignation
  Indicates that an entity has been assigned a formal status, code, or recognition by an international body or under an internationally agreed system.
• E. mapDesignation
  Indicates a formal label or identifier that is assigned to something specifically for use on a map.
• F. None of above. chosen